The Special Airworthiness Information Bulletin (SAIB) advises you, owners and operators of apotential failure mode of Honeywell’s RESCU 406(S) Emergency Locator Transmitter (ELT) with PartNumbers (P/Ns) 11513241-1, 1151324-1Mxxx, 1153046-1Mxxx, 1152892-1Mxxx, 1152890-1Mxxx,1152794-1Mxxx.At the time this SAIB is issued, the airworthiness concern is not an unsafe condition that wouldwarrant airworthiness directive (AD) action under Title 14 of the Code of Federal Regulations (14CFR) part 39.